Misc: Where did judy garland's family have their vaudeville act?

Questions

Who is the first dead man to help Bart and Lisa unravel Sideshow Bob's electoral fraud??

In Bart's dream about the U.S. founding fathers, who is writing his name in the snow??

What is the Dean's name in the show "School of Hard Knockers"??

Which board game do Rod and Todd Flanders like to play??

Which course did Homer fail in high school??